On Wed, Nov 2, 2016 at 11:58 PM, Andy Halsall <andyh@xxxxxxxxxx> wrote: > Can we assume that the 9.6 libpq library is backwards compatible with > applications compiled against 9.3 headers? I wouldn't expect to have to > re-compile our application against 9.6 libpq headers and redeploy because > we're not taking advantage of any new features and nothing seems to have > been deprecated. > > The release notes talk about additions to libpq in section E.2.3.9 "Client > Interfaces". I'd expect any un-changed features to be backwards compatible. > Limited testing suggests this is so but I can't find a clear statement. > > Could somebody please advise? libpq has a long history of keeping a backward-compatible interface across the ages, and that pays in the long term. Your application compiled with 9.3 headers would link to libpq.so.5, so that would be binary-compatible with 9.6. For consistency's sake, you may want to recompile it anyway. -- Michael -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general